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江四海, 李德斌. 运用盈亏平衡品位进行低品位矿采选决策[J]. 有色金属科学与工程, 2006, 20(1): 22-25.
引用本文: 江四海, 李德斌. 运用盈亏平衡品位进行低品位矿采选决策[J]. 有色金属科学与工程, 2006, 20(1): 22-25.
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JIANG Si-hai, LI De-bin. Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 22-25.
Citation: JIANG Si-hai, LI De-bin. Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 22-25.
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运用盈亏平衡品位进行低品位矿采选决策

Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades

    摘要
  • 摘要: 运用盈亏平衡品位方法, 探讨了宜春钽铌矿采选黑斑矿是否经济合理, 并进行采选决策; 低品位黑斑矿品位低于目前的盈亏平衡品位, 在现有技术经济条件下采选黑斑矿企业要亏损, 黑斑矿为次边际经济资源, 暂无开采利用价值。

     

    Abstract: The method of breskeven grades is used to decide if the black-spot ores are economic or not in Yichun Ta & Nb Mine and make decision of mining and dressing.If the grades of black-spot ores are lower than present balance grades, the mines which are mining and dressing the ores will suffer loss.The result is that the blackspot ores are sub-marginal economical resources and are not worth exploring.

     

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